Function net_send_error

sql/protocol.cc:145–173

*/

bool net_send_error(THD *thd, uint sql_errno, const char *err,
                    const char* sqlstate)
{
  bool error;
  DBUG_ENTER("net_send_error");

  DBUG_ASSERT(sql_errno);
  DBUG_ASSERT(err);

  DBUG_PRINT("enter",("sql_errno: %d  err: %s", sql_errno, err));

  if (sqlstate == NULL)
    sqlstate= mysql_errno_to_sqlstate(sql_errno);

  /*
    It's one case when we can push an error even though there
    is an OK or EOF already.
  */
  thd->get_stmt_da()->set_overwrite_status(true);

  /* Abort multi-result sets */
  thd->server_status&= ~SERVER_MORE_RESULTS_EXISTS;

  error= net_send_error_packet(thd, sql_errno, err, sqlstate);

  thd->get_stmt_da()->set_overwrite_status(false);

  DBUG_RETURN(error);
}

/**
  Return ok to the client.